8168190860 has 12 divisors (see below), whose sum is σ = 17153200848. Its totient is φ = 3267276336.

The previous prime is 8168190851. The next prime is 8168190869. The reversal of 8168190860 is 680918618.

It is an interprime number because it is at equal distance from previous prime (8168190851) and next prime (8168190869).

It is not an unprimeable number, because it can be changed into a prime (8168190869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204204752 + ... + 204204791.

It is an arithmetic number, because the mean of its divisors is an integer number (1429433404).

Almost surely, 2^8168190860 is an apocalyptic number.

It is an amenable number.

8168190860 is an abundant number, since it is smaller than the sum of its proper divisors (8985009988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8168190860 is a wasteful number, since it uses less digits than its factorization.

8168190860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408409552 (or 408409550 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 8168190860 is about 90378.0441257721. The cubic root of 8168190860 is about 2013.9188136024.

The spelling of 8168190860 in words is "eight billion, one hundred sixty-eight million, one hundred ninety thousand, eight hundred sixty".